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Finding the Fourth Proportional to 489,901.60, 734,852.40 and 363,930.40

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Solution

The fourth proportional to 489,901.60, 734,852.40 and 363,930.40 is: 545,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,901.60 : 734,852.40 = 363,930.40 : x
  2. Step 2: Convert to fraction form
    489,901.60/734,852.40 = 363,930.40/x
  3. Step 3: Cross multiply
    489,901.60x = 734,852.40 × 363,930.40
  4. Step 4: Simplify right side
    489,901.60x = 267,435,127,872.96
  5. Step 5: Solve for x
    x = 267,435,127,872.96/489,901.60
  6. Step 6: Final answer
    x = 545,895.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.